Streamwood, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Streamwood, a village in Cook County, Illinois.
Overnight
59°F
Rain Showers
Rain showers. Cloudy. Low around 59, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Streamwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Rain Showers | 15 mph S | 82% |
| Wednesday | 63°F | Chance Rain Showers then Mostly Cloudy | 15 mph SSW | 31% |
| Wednesday Night | 47°F | Mostly Cloudy | 15 mph SW | 13% |
| Thursday | 56°F | Chance Rain Showers | 10 to 15 mph WSW | 47% |
| Thursday Night | 40°F | Chance Rain Showers | 10 mph NW | 51% |
| Friday | 50°F | Partly Sunny | 10 to 15 mph NNW | 12% |
| Friday Night | 34°F | Partly Cloudy | 5 to 10 mph NNW | 0% |
| Saturday | 51°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph W | 0% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 35°F | Mostly Clear | 5 mph W | 1% |
| Monday | 60°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Partly Cloudy | 5 to 10 mph WSW | 1% |
| Tuesday | 61°F | Sunny | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Streamwood (42.021, -88.178). Updated through the day.
Growing snapshot for Streamwood
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
163 days
Hardiness zone
5b
More local growing data for Streamwood: nearby ZIP 60107 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Streamwood, Il (0.3 mi from Streamwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.